Cabinet for ice cream and the like



Nov. 20, 1928.

c. G. MUNTERS CABINET FOR ICE CREAM AND THE LIKE Filed Jan. 5, 1 928 .4 Sheets-Sheet I MjNVENTOR BY 7 4/: TORNEY i928. v 1,692,792 C. G. MUNTERS CABINET FOR ICE CREAM AND THE LIKE Filed Jan. 5, 1928 4 Sheets-Sheet 2 EVENTOR BY 7 JV 4 ATTORNEY 1,692,792 c. s. MUNTERS CABINET FOR ICE CREAM AND THE LIKE Filed Jan, 5, 1928 4 Sheets-Sheet Nov. 20, 1928.

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C. G. MUNTERS CABINET FOR ICE CREAM AND E LIKE 4 Sheets-Sheet 4 Filed Jan. 1928 25 "by a partition an inert gas Patented Nov. 2 0, 1928.

UNITED STA CARL GEOBG HUNTERS, OF STOCKHOLH, SWEDEN, ASSIGNOR TO ELECTROLUX SEBVEL CORPORATION, OF NEW YORK,

N. Y., A. CORPORATION 01 DELAWARE.

CABINET FOR ICE'GREAM AND THE LIKE.

Application filed January 5, 1928, Serial No My invention relates to cabinets for ice cream cans, milk cans and the like. I aim to provide a unitary cabinet for such uses combining economy of space w th efficiency of operation of artificial refrlgeratlon apparatus. My invention involves several novel features as will be apparent from the following description taken in connection with the accompanying drawings showlng several forms of my invention on which:

Fig. 1 is a cross-sectional view looking down on an ice cream cabinet built in accordance with my invention-Fig. 1 is taken on the line 1-1 of Fi 2; Fig. 2 is an eleval5 tional cross-sectiona view taken on the line 2-2 of Fig. 1; Fig. 3 is an elevational view taken on the line 3-3 of.Fig. 2; Fig. 4 is a cross-sectional 'view of a modified casting member forming part of the ensemble of 0 Fig. 1.

eferring more particularly to the arrangement shown in Figs. 1, 2 and 3, the cabinet com rises a box-like casing 10 having all rectangldar sides. The casing 10 is divided 11 into a colder compartment '12 which is substantially square in horizon-- tal cross-section as shown in Fig. 1 and a smaller apparatus compartment 13 to one side of the colder compartment. Within compartment 12 and extending verticall along its vertical ce er line is a cylindrical steel evaporator she I 14. This steel shell contains a series of discs 16. and is like the evaporator shell shown in Patent No. 35 1,609,334 granted December 7, 1926, on the application of Baltzar Carl von Platen and myself jointly. The evaporator shell 18 supplied with a liquid refrigerant or cool1 n agent through conduit 17. It is supplied wit .through conduit 18. In the the cooling agent, which may be and the auxiliary agent or inert be hydrogen, difiuse into each other an the changing of ammonia from liquid to gaseous state produces a state of cold which is transmitted to-the product to be refrigerated. in the manner presently to be described.

The mixture of ammonia and hydrogen evaporator ammonia,

gas, wh ch ma so formed in the evaporator passes out therefrom through conduit 19 and into a central space 20 between tubes 21 in the horizontally extending heat exchanger 15 which asses through the partition wall 11. The tu cs 21 as exten between two heads 22 and 23. The

244,599, and in Germany January 22, 1927.

two heads form chambers 24 and 25 at the ends of the heat exchanger. The tubes and the chambers 24 and 25 are part of the passage for hydrogen which is introduced into the evaporator through conduit 18. The

hydrogen passes out of the top of absorber 26 which is also supplied with discs and passes through conduit 27 to chamber 24. The mixture of gases passes into the absorber through conduit 29. In the heat exchanger the cold mixture of gases in space 20 cools the hydrogen passing through tubes 21 and the liquid ammonia passing through conduit 17 A generator 30 is connected to the absorber by means of conduits 31 and 32. Conduit 31 passes inside conduit 32 to form a liquid heat exchanger. One end of conduit 31 is connectedto the lower part of the absorber and the other end is connected to the upper part of the generator. The conduit. is passed around a heating space 9 in the form of a coil 33 which serves to give a percolator action for circulating absorption liquid. Conduit 32 conveys weak liquor from the lower part of the generator to the u per part of the absorber. Vapor expelled om solution in the generator passes through conduit 34 and into condenser 35 where it is condensed and from which it passes intoconduit 36 and thence through conduit 17 into the evaporator. 'A conduit 37 surrounding pipe 34 is connected with conduit 36 and is connected with the condenser at the top to form a rectifier. Cooling water is supplied in series to cooling'coil 40 surrounding the absorber and to the condenser 35.

A casting member 41 comprising four loops of cylindrical formation arranged on vertical I axes is clamped around the steel evaporator shell 14. This casting is preferably made of aluminum or copper. It is made in twosections which are bolted together by means of bolts 42. Recesses 43 for the bolts are formed on the insides of the loops. The casting member has what might be termed a hub portion,

the hub portion of each section being semcircular in. formation. The loops are integral with the hub portion and extend outwardly therefrom means of webs 39. The loops are adapted to receive cans containing ice cream or milk or the like. Bottoms for the loop containers 45 may be made integral with or separately from the loop cylinders.

being connected thereto by 10 I B means of this arrangement the cold produced is readily transmitted to the ice cream cans; or in other words, heat is readily abstracted from the ice cream or other material in the containers. It will be noted that .all heat transmission is- 'directly' through metal. The arrangement'makes a compact unitary structure with equal heat transmission in all directions.

Fig.4 shows a modified arrangementwherein the loops are not complete but extended arc-shaped members 46 are attached to vertical webs 47 and plates or containers forming the loops are riveted or otherwise secured to the arc-shaped members 46. If squarecans or containers are used, the straight arms 48 may be used to which rectangular containers can be attached. v

Outside the loops 41 the'casing 10 is packed with insulation. Suitable covers are placed over the circular receptacles. If desired, the

supply of heat may be controlled by a thermostat placed in the vicinity of the ice cream containers.

It will be noted that'the loops are arranged symmetrically about the steel cylindrical evaporator shell which gives an even, heat transmission.

Having thus described my invention, what I claint is:

1. A cabinet for ice cream cans, milk cans and the like comprising a casing, a centrally disposed vertically extending cylindrical' evaporator shell, means to supply a cooling agent to said evaporator shell and to supply an auxiliary agent thereto in the presence of which the cooling agent: evaporates, a plurality of superimposed apertured discs in said evaporator shell, a pair of castings, each casting having a generally semicircular hub portion and a plurality of loops integral therewith, means to clamp the castings around the evaporator shell, said loops being adapted for reception of ice cream cans, milk cans and the like, and insulation in the casing around the loons. the arrangement being such that when asembled the spaces within the loops extend verticallv and the loops are substantiallllyequall spaced around the evaporator she 2. A cabinet for ice cream cans, milk cans and the like comprising a casing, an evapora-' tor shell in said cas1ng,; a casting member having a generally circular hub portion means securing metallic contact between said saidweb.

evaporator shell and said hub portion',a plu rality of webs extending from said hub portion and a plurality of curved members extending from said webs and adapted for form ing enclosures.-

3.- Refrigeratmg apparatus including an evaporator comprising a vertically extending shell, a casting comp-risin a hub portion, said hub portion'havin meta lic contact with said;

shell, a web exten ing from saidliub portion and an arc-shaped member extending. from 4. Refrigerating apparatus comprising casing, a vertical shell, disposed within said casin a casting y extending evaporator comprising a hub; portion, said hub portion having metallic contact with said evaporator shell, a web extending from said hub portion and a curvedmember extending from said web.

5. Refrigerating app-aratus comprising a extending evaporator casing, a verticall shell disposed within said casing, a casting comprising a hub portion, said hub portion having metallic contact with said evaporator shell, a web extending from said hub portion,

extending evaporator rial within said casing andsurrounding "said evaporator shell andfsaid casting.

7. Refrigerating apparatus comprising a vertically extending evaporator shell, a cast ing comprising a hub portion, said hub portion having metallic contact with said evaporator shell,'a web extending from said hub portion and an arc-shaped member extending from said web, said arc-shaped member formmga closure for the cans, milk cans and the like.

receptlonofv ice cream In testimony whereof I hereunto afiix my signature.

CARL GEoRG MUNTERS'. 

